Analysis

  • max time kernel
    38s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2022 16:33

General

  • Target

    5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

  • Size

    5.2MB

  • MD5

    fe47daf12c57b5b65f30a5722ac813f8

  • SHA1

    0640dd5724df5f2817f983d33a0f6bab6dfd5dbe

  • SHA256

    5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6

  • SHA512

    fab667e805e14c5ca56b0ee128885ff78f13c3826a2580eeaaa3212353db335b4f12fbf78dca137a21b11f9bc17f3611b51fa6c6f79fcb682ebd4fb45e9ca3d6

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe
    "C:\Users\Admin\AppData\Local\Temp\5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1032 -s 716
      2⤵
      • Program crash
      PID:1736

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1032-54-0x000000013F430000-0x0000000140245000-memory.dmp
    Filesize

    14.1MB

  • memory/1032-55-0x0000000077520000-0x00000000776C9000-memory.dmp
    Filesize

    1.7MB

  • memory/1032-56-0x000000013F430000-0x0000000140245000-memory.dmp
    Filesize

    14.1MB

  • memory/1032-57-0x000000013F430000-0x0000000140245000-memory.dmp
    Filesize

    14.1MB

  • memory/1032-58-0x000000013F430000-0x0000000140245000-memory.dmp
    Filesize

    14.1MB

  • memory/1032-59-0x000000013F430000-0x0000000140245000-memory.dmp
    Filesize

    14.1MB

  • memory/1032-60-0x000000013F430000-0x0000000140245000-memory.dmp
    Filesize

    14.1MB

  • memory/1032-61-0x000000013F430000-0x0000000140245000-memory.dmp
    Filesize

    14.1MB

  • memory/1032-62-0x0000000077520000-0x00000000776C9000-memory.dmp
    Filesize

    1.7MB

  • memory/1736-63-0x0000000000000000-mapping.dmp